Floor cleaning machine



FIG. 1 is a front perspective view of a floor cleaning machine embodyingaspects of the invention.

FIG. 2 is a rear perspective view of the floor cleaning machine shown inFIG. 1.

FIG. 3 is a front view of the floor cleaning machine shown in FIG. 1.

FIG. 4 is a left side view of the floor cleaning machine shown in FIG.1.

FIG. 5 is a right side view of the floor cleaning machine shown in FIG.1; and,

FIG. 6 is a rear view of the floor cleaning machine shown in FIG. 1.

The broken line showing of the floor cleaning machine is forillustrative purposes only and forms no part of the claimed design.

We claim the ornamental design for a floor cleaning machine, as shownand described.